Job Overview
Job description
- Location:
- Long Biên, Hà Nội, Vietnam
- Work arrangement:
- On-site
Role Summary
We're looking for a Senior Backend Engineer to join our growing engineering team in Toronto, Canada. In this role, you will design, develop, and maintain scalable backend systems that power our applications. You will work with a talented team of engineers to solve complex technical challenges, mentor junior developers, and drive architectural improvements across our platform. The ideal candidate will bring a detail-oriented approach, analytical mindset, and a commitment to writing efficient, well-organized code.
- Design and develop robust backend services and APIs using modern programming languages and frameworks
- Architect scalable microservices and distributed systems that handle high-volume transactions
- Optimize database queries and system performance through careful analysis and testing
- Collaborate with cross-functional teams including frontend engineers, product managers, and DevOps specialists
- Conduct code reviews and provide constructive feedback to ensure code quality and consistency
- Troubleshoot and debug complex issues in production environments with efficiency and precision
- Mentor junior and mid-level engineers, fostering their technical growth and development
- Participate in system design discussions and contribute to technical decision-making
- Implement and maintain CI/CD pipelines and deployment automation
- Document system architecture, design decisions, and technical specifications clearly
Requirements
- 5+ years of professional backend development experience
- 2+ years in a senior engineering or technical leadership role
- Expert-level proficiency in one or more backend programming languages (Java, Python, Go, Node.js, or C++)
- Strong experience with relational and non-relational databases (SQL, MongoDB, Redis, etc.)
- Demonstrated expertise in microservices architecture and distributed systems design
- Proficiency with containerization and orchestration tools (Docker, Kubernetes)
- Experience with cloud platforms (AWS, Azure, or Google Cloud Platform)
- Solid understanding of API design patterns and RESTful principles
- Proficiency with version control systems (Git)
- Strong problem-solving and analytical skills
**Preferred Skills:**
- Experience with event-driven architectures and message queues (Kafka, RabbitMQ)
- Knowledge of system monitoring, logging, and observability tools
- Familiarity with infrastructure-as-code practices
- Experience with performance profiling and optimization techniques
- Background in agile development methodologies
- **Education & Certifications:**
- Bachelor's degree in Computer Science, Software Engineering, or related field (or equivalent professional experience demonstrating comparable expertise)
- Cloud platform certifications (AWS, Azure, or GCP) are a plus
Benefits
[Additional Info]
About the Company
WHY KOMBO
Kombo is on a mission to power the world's people data, from hire to retire. We're the unified API for HR, payroll, and recruiting systems: our customers connect once and get access to 250+ integrations, instead of spending months building them one by one.
Indeed, Pleo, and Juicebox run their integrations on Kombo, alongside 400+ other teams, syncing data for 250+ million people worldwide.
We're past $12M ARR, backed by $30M+ from YC, Volition Capital, and Acadian Ventures. 60+ people across Berlin and NYC. Take a peek at the team and how we work https://app.notion.com/p/Join-Kombo-05435d42f09a4b85b2083ae2266543af?pvs=21.
- Role:
- Senior Backend Engineer 2
- Industry Type:
- Security Systems Services
- Job Type:
- Full-Time
Company profile

Kombo
kombo.devKombo provides a unified API for HRIS, ATS, LMS and payroll systems, letting B2B software companies integrate once and offer hundreds of integrations to their customers off the shelf. Instead of spending months building connections to dozens of systems, customers connect through Kombo to 120+ platforms with read and write integrations, while Kombo handles sandbox access, changing access requirements and custom enterprise use cases. The company focuses only on the future-of-work vertical. Kombo Technologies GmbH is located in Berlin, Germany, and a US entity, Kombo Technologies LLC, has an address in New York.